Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Voltages from the indicated pins to GND:

VIN, ILIM, CSH

−0.3V to 38V

SW, CSL

−0.3 to (V

PGOOD, FB, VDD, EXT, EN

−0.3V to +7V

COMP, SS, FPWM, FS

−0.3V to (V

LIN5

+0.3)V

CBOOT

-0.3V to +43V

CBOOT to SW

−0.3V to 7V

LDRV

−0.3V to (V

HDRV to SW

−0.3V

HDRV to CBOOT

+0.3V

Storage Temperature Range

−65˚C to +150˚C

Junction Temperature

150˚C

Lead Temperature (Soldering, 10

sec)

260˚C

ESD Rating (Note 2)

1.5kV

Operating Ratings(Note 1)

Junction Temperature

−40˚C to +125˚C

VIN to GND

4.5V to 36V

EXT

6V Max

over the junction temperature T

sign, or statistical correlation. Typical values represent the most likely parametric norm at T

erence purposes only. Unless otherwise specified V

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

V

FB

Feedback pin voltage

V

1.213

1.238

1.259

V

Load Regulation

V

0.04

%

Line Regulation

V

0.04

%

I

Q

Operating Quiescent current V

1.0

2

mA

I

SD

Shutdown Quiescent current V

60

100

µA

V

LIN5

V

I

V

V

4.7

5

5.3

V

UVLO

V

Lockout

3.7

3.9

4.1

V

V

UVLO_HYS

V

Lockout Hysteresis

0.2

V

V

CL_OS

Current Limit Comparator

Offset

(V

mV

I

ILIM

I

8.3

10

11.3

µA

I

SS_SRC

Soft-Start Pin Source

Current

V

1

2

3

µA

I

SS_SNK

Soft-Start Pin Sink Current

V

4

µA

V

SS_TO

Soft-Start Timeout

Threshold

2V

V

OVP

Over Voltage Protection

Rising Threshold

With respect to V

FB

105

111

117

%

V

OVP_HYS

Over Voltage Protection

Hysteresis

With respect to V

FB

2.8

%

POWERGOOD

V

PWR_GOOD

PGOOD Rising Threshold

92.5

95.5

98.5

%

V

PWR_BAD

PGOOD Falling Threshold

87

90.5

95

%

T

PGOOD

PGOOD delay

PGOOD pin de-asserting

10

µs

I

OL

PGOOD Low Sink Current

V

0.6

1mA

I

OH

PGOOD High Leakage

Current

V

5

200

nA

GATE DRIVE

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